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About This Item

 

Full Description

This Standard sets out requirements for the selection, use, and care of respirators and for the administration of an effective respiratory protection program in the workplace. Its purpose is to protect respirator users from any known or potential respiratory hazards. In 2017, CSA Group completed a research project that gathered evidence to verify the bioaerosol protection factors set out in this Standard as well as the control banding approach for selection of respiratory protection against infectious bioaerosols (Clause 7.3.4.3).

This Standard is based on respirator classification schemes and testing requirements set out by the National Institute for Occupational Health and Safety (NIOSH). Specific criteria for firefighting applications are based on standards published by the National Fire Protection Association (NFPA).

CSA Z180.1 is a companion Standard to CAN/CSA-Z94.4, providing specific requirements for compressed breathing air systems connected to supplied-air respirators. This Standard is also referenced by many other CSA Group occupational health and safety standards where respiratory protection is required (e.g., CSA W117.2 on welding safety, CSA Z1006 on work in confined spaces, CSA Z1010 on work in extreme conditions, CAN/CGSB/CSA-Z1610 on protection of first responders, and CSA Z1640 on PPE for entry into clandestine drug labs).
 

Document History

  1. CAN/CSA Z94.4-18 (R2023)

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    Selection, use, and care of respirators

    • Most Recent
  2. CAN/CSA Z94.4-M1982


    Selection, Use, and Care of Respirators

    • Historical Version
  3. CAN/CSA Z94.4-11 (R2016)


    Selection, Use, and Care of Respirators, Includes Update No. 1 (2012)

    • Historical Version
  4. CAN/CSA Z94.4-02 (R2007)


    Update No. 1: Selection, Use, and Care of Respirators

    • Historical Version
  5. CAN/CSA Z94.4-93 (R1997)


    Selection, Use, and Care of Respirators

    • Historical Version